20551776

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{257}}^1$

素因数の和:301

約数の個数: 144

約数和(自身を含む): 66706416

約数和(自身を除く): 46154640

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 24, 28, 32, 34, 42, 48, 49, 51, 56, 68, 84, 96, 98, 102, 112, 119, 136, 147, 168, 196, 204, 224, 238, 257, 272, 294, 336, 357, 392, 408, 476, 514, 544, 588, 672, 714, 771, 784, 816, 833, 952, 1028, 1176, 1428, 1542, 1568, 1632, 1666, 1799, 1904, 2056, 2352, 2499, 2856, 3084, 3332, 3598, 3808, 4112, 4369, 4704, 4998, 5397, 5712, 6168, 6664, 7196, 8224, 8738, 9996, 10794, 11424, 12336, 12593, 13107, 13328, 14392, 17476, 19992, 21588, 24672, 25186, 26214, 26656, 28784, 30583, 34952, 37779, 39984, 43176, 50372, 52428, 57568, 61166, 69904, 75558, 79968, 86352, 91749, 100744, 104856, 122332, 139808, 151116, 172704, 183498, 201488, 209712, 214081, 244664, 302232, 366996, 402976, 419424, 428162, 489328, 604464, 642243, 733992, 856324, 978656, 1208928, 1284486, 1467984, 1712648, 2568972, 2935968, 3425296, 5137944, 6850592, 10275888, 20551776]

約数ペア:

[(1, 20551776), (2, 10275888), (3, 6850592), (4, 5137944), (6, 3425296), (7, 2935968), (8, 2568972), (12, 1712648), (14, 1467984), (16, 1284486), (17, 1208928), (21, 978656), (24, 856324), (28, 733992), (32, 642243), (34, 604464), (42, 489328), (48, 428162), (49, 419424), (51, 402976), (56, 366996), (68, 302232), (84, 244664), (96, 214081), (98, 209712), (102, 201488), (112, 183498), (119, 172704), (136, 151116), (147, 139808), (168, 122332), (196, 104856), (204, 100744), (224, 91749), (238, 86352), (257, 79968), (272, 75558), (294, 69904), (336, 61166), (357, 57568), (392, 52428), (408, 50372), (476, 43176), (514, 39984), (544, 37779), (588, 34952), (672, 30583), (714, 28784), (771, 26656), (784, 26214), (816, 25186), (833, 24672), (952, 21588), (1028, 19992), (1176, 17476), (1428, 14392), (1542, 13328), (1568, 13107), (1632, 12593), (1666, 12336), (1799, 11424), (1904, 10794), (2056, 9996), (2352, 8738), (2499, 8224), (2856, 7196), (3084, 6664), (3332, 6168), (3598, 5712), (3808, 5397), (4112, 4998), (4369, 4704)]